Moderate mag. 4.6 earthquake - Canada: 221 Km SW of Norman Wells, NT, on Monday, Sep 20, 2021 6:44 pm (GMT -6) -

Moderate mag. 4.6 earthquake - Canada: 221 Km SW of Norman Wells, NT, on Monday, Sep 20, 2021 6:44 pm (GMT -6)

Moderate magnitude 4.6 earthquake at 1 km depth

21 Sep 00:51 UTC: First to report: NRCAN after 7 minutes.
21 Sep 04:41: Magnitude recalculated from 4.2 to 4.6. Hypocenter depth recalculated from 10.0 to 1.0 km (from 6.2 to 0.6 mi). Epicenter location corrected by 15 km (9.4 mi) towards SSE.
Date & time: Sep 21, 2021 00:44:24 UTC -
Local time at epicenter: Monday, Sep 20, 2021 6:44 pm (GMT -6)
Magnitude: 4.6
Depth: 1.0 km
Epicenter latitude / longitude: 63.8691°N / 130.0571°W (Canada)
Antipode: 63.869°S / 49.943°E
Nearby towns and cities:
274 km (170 mi) SSW of Fort Good Hope (Northwest Territories) (pop: 516) --> See nearby quakes!
289 km (180 mi) E of Mayo (Yukon) (pop: 540) --> See nearby quakes!
351 km (218 mi) WSW of Délı̨ne (Northwest Territories) (pop: 533) --> See nearby quakes!
435 km (271 mi) NE of Whitehorse (Yukon) (pop: 23,300) --> See nearby quakes!
454 km (282 mi) SSE of Fort McPherson (Northwest Territories) (pop: 1,070) --> See nearby quakes!
518 km (322 mi) NE of Haines Junction (Yukon) (pop: 1,150) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 3.8°C (39 F), humidity: 64%, wind: 1 m/s (3 kts) from ESE
Primary data source: NRCAN (Department of Natural Resources Canada)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
4.61 kmCanada: 221 Km SW of Norman Wells, NTNRCAN

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
santa rosa / Very weak shaking (MMI II)
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.